Other: Describe for the first time the kinetics of evolution in proportion of the circulating Brég in patients with severe septic state, at times D0, D2, D7 and D14 of hospitalization in medical reanimation.

Interventional

Centre Hospitalier Universitaire, Amiens

Other

Intervention Model: Single Group Assignment

Masking: None (Open Label)

Primary Purpose: Other

Variation in the proportion of circulating Breg compared to total B lymphocytes in the included cohort of patients